Trace number 3188600

Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock time.

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to X seconds (see the parameters in the trace). After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  5. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerCPU timeWall clock time
QuteRSat 2011-03-01UNSAT 3.2675 3.26836

General information on the benchmark

Namerandom/medium/
unif-k5-r21.3-v50-c1065-S433637520-048.UNKNOWN.cnf
MD5SUM63c27e328029fd4b3a3f3ab8a494055c
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.147976
Satisfiable
(Un)Satisfiability was proved
Number of variables50
Number of clauses1065
Sum of the clauses size5325
Maximum clause length5
Minimum clause length5
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 51065
Number of clauses of size over 50

Solver Data 

0.00/0.00	c Set FPU double precision.
0.00/0.00	c Parse Cnf success: #var: 50 #clause: 1065
0.00/0.00	c Find Units :          0
0.00/0.00	c Find Invs  :          0
0.00/0.00	c Find Ands  :          0 AvgFaninNum: nan
0.00/0.00	c Find Xors  :          0 AvgFaninNum: nan
0.00/0.00	c Find Ite   :          0
0.00/0.00	c UnDirect variable: 0
0.00/0.00	c UnDirect to Direct Gate: 0
0.00/0.00	c Forced Direct Gate: 0 Unuse unDirect Gate: 0
0.00/0.00	c Break Cycle : 0
0.00/0.00	c Total Root : 0 Undef Var: 50
0.00/0.00	c After covering, Total Root: 0 Leaf: 0
0.00/0.00	c Variable( cover/uncovered/unused ): 0 50 0
0.00/0.00	c Unit Clauses: 0
0.00/0.00	c Binary Clauses( cover/uncovered ): 0 0
0.00/0.00	c Clauses( cover/uncovered ): 0 1065
0.00/0.00	c Total Clauses( cover/uncovered ): 0 1065 0%
0.00/0.00	c Covered Ands: 0 Invs: 0 Xors: 0 Ites: 0
0.00/0.00	c Uncover Clauses avg size: 5 max size: 5
0.00/0.00	c Final circuit: i/l/o/s      50       0    1065      3627
0.00/0.00	c CnfToAig: Time: 0 s
0.00/0.02	c TmMap: Set choices finish.
0.00/0.02	c TmMap: Set big and: 1498
0.00/0.02	c TmMap: Origin: 3678 ClauseNum: 10881 --> New: 1549 ClauseNum: 6661
0.00/0.02	c TmMap: Time: 0.01
0.00/0.02	c Try to Add: #clause: 2996 #xorclause: 0
0.00/0.02	c #var: 483 #clauses: 1497 Solving... 
3.19/3.25	s UNSATISFIABLE
3.19/3.26	c CPU time: 3.26 s

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

runsolver Copyright (C) 2010 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 893)

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-3188600-1302282933/watcher-3188600-1302282933 -o /tmp/evaluation-result-3188600-1302282933/solver-3188600-1302282933 -C 2400 -W 1300 -M 7680 qutersat_release HOME/instance-3188600-1302282933.cnf 1747334339 

running on 2 cores: 4,6

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 2400 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 2430 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1300 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 7864320 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 7915520 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 4.04 4.02 4.13 4/186 21643
/proc/meminfo: memFree=19473028/32951124 swapFree=67111528/67111528
[pid=21643] ppid=21641 vsize=33388 CPUtime=0 cores=4,6
/proc/21643/stat : 21643 (qutersat_releas) R 21641 21643 21295 0 -1 4202496 1862 0 0 0 0 0 0 0 25 0 1 0 339895958 34189312 1794 33554432000 4194304 6016207 140736037759264 18446744073709551615 4342367 0 0 4096 16386 0 0 0 17 4 0 0 0
/proc/21643/statm: 8347 1794 401 445 0 1891 0

[startup+0.0349039 s]
/proc/loadavg: 4.04 4.02 4.13 4/186 21643
/proc/meminfo: memFree=19473028/32951124 swapFree=67111528/67111528
[pid=21643] ppid=21641 vsize=47224 CPUtime=0.03 cores=4,6
/proc/21643/stat : 21643 (qutersat_releas) R 21641 21643 21295 0 -1 4202496 3876 0 0 0 3 0 0 0 25 0 1 0 339895958 48357376 3808 33554432000 4194304 6016207 140736037759264 18446744073709551615 4529297 0 0 4096 16386 0 0 0 17 4 0 0 0
/proc/21643/statm: 11806 3808 710 445 0 5350 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 47224

[startup+0.100857 s]
/proc/loadavg: 4.04 4.02 4.13 4/186 21643
/proc/meminfo: memFree=19473028/32951124 swapFree=67111528/67111528
[pid=21643] ppid=21641 vsize=47224 CPUtime=0.09 cores=4,6
/proc/21643/stat : 21643 (qutersat_releas) R 21641 21643 21295 0 -1 4202496 3958 0 0 0 9 0 0 0 25 0 1 0 339895958 48357376 3890 33554432000 4194304 6016207 140736037759264 18446744073709551615 4425530 0 0 4096 16386 0 0 0 17 4 0 0 0
/proc/21643/statm: 11806 3890 722 445 0 5350 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 47224

[startup+0.300892 s]
/proc/loadavg: 4.04 4.02 4.13 4/186 21643
/proc/meminfo: memFree=19473028/32951124 swapFree=67111528/67111528
[pid=21643] ppid=21641 vsize=55624 CPUtime=0.29 cores=4,6
/proc/21643/stat : 21643 (qutersat_releas) R 21641 21643 21295 0 -1 4202496 4164 0 0 0 29 0 0 0 25 0 1 0 339895958 56958976 4096 33554432000 4194304 6016207 140736037759264 18446744073709551615 4378033 0 0 4096 16386 0 0 0 17 4 0 0 0
/proc/21643/statm: 13906 4096 722 445 0 7450 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 55624

[startup+0.700825 s]
/proc/loadavg: 4.04 4.02 4.13 4/186 21643
/proc/meminfo: memFree=19473028/32951124 swapFree=67111528/67111528
[pid=21643] ppid=21641 vsize=72684 CPUtime=0.69 cores=4,6
/proc/21643/stat : 21643 (qutersat_releas) R 21641 21643 21295 0 -1 4202496 4480 0 0 0 69 0 0 0 25 0 1 0 339895958 74428416 4412 33554432000 4194304 6016207 140736037759264 18446744073709551615 4425389 0 0 4096 16386 0 0 0 17 4 0 0 0
/proc/21643/statm: 18171 4412 722 445 0 11715 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 72684

[startup+1.50068 s]
/proc/loadavg: 4.04 4.02 4.13 5/190 21662
/proc/meminfo: memFree=19425624/32951124 swapFree=67111528/67111528
[pid=21643] ppid=21641 vsize=72684 CPUtime=1.49 cores=4,6
/proc/21643/stat : 21643 (qutersat_releas) R 21641 21643 21295 0 -1 4202496 5108 0 0 0 149 0 0 0 25 0 1 0 339895958 74428416 5040 33554432000 4194304 6016207 140736037759264 18446744073709551615 4425742 0 0 4096 16386 0 0 0 17 4 0 0 0
/proc/21643/statm: 18171 5040 730 445 0 11715 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 72684

[startup+3.10038 s]
/proc/loadavg: 4.04 4.02 4.13 5/190 21662
/proc/meminfo: memFree=19404048/32951124 swapFree=67111528/67111528
[pid=21643] ppid=21641 vsize=81344 CPUtime=3.09 cores=4,6
/proc/21643/stat : 21643 (qutersat_releas) R 21641 21643 21295 0 -1 4202496 5861 0 0 0 309 0 0 0 25 0 1 0 339895958 83296256 5791 33554432000 4194304 6016207 140736037759264 18446744073709551615 4425476 0 0 4096 16386 0 0 0 17 4 0 0 0
/proc/21643/statm: 20336 5791 731 445 0 13880 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 81344

Solver just ended. Dumping a history of the last processes samples

[startup+3.20037 s]
/proc/loadavg: 4.04 4.02 4.13 5/190 21662
/proc/meminfo: memFree=19395028/32951124 swapFree=67111528/67111528
[pid=21643] ppid=21641 vsize=81344 CPUtime=3.19 cores=4,6
/proc/21643/stat : 21643 (qutersat_releas) R 21641 21643 21295 0 -1 4202496 5875 0 0 0 319 0 0 0 25 0 1 0 339895958 83296256 5805 33554432000 4194304 6016207 140736037759264 18446744073709551615 4380536 0 0 4096 16386 0 0 0 17 4 0 0 0
/proc/21643/statm: 20336 5805 731 445 0 13880 0
Current children cumulated CPU time (s) 3.19
Current children cumulated vsize (KiB) 81344

Child status: 0
Real time (s): 3.26836
CPU time (s): 3.2675
CPU user time (s): 3.2605
CPU system time (s): 0.006998
CPU usage (%): 99.9737
Max. virtual memory (cumulated for all children) (KiB): 81344

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.2605
system time used= 0.006998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5881
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 6
involuntary context switches= 3

runsolver used 0.009998 second user time and 0.011998 second system time

The end

Launcher Data 

Begin job on node103 at 2011-04-08 19:15:33
IDJOB=3188600
IDBENCH=82731
IDSOLVER=1607
FILE ID=node103/3188600-1302282933
RUNJOBID= node103-1302280329-21314
PBS_JOBID= 12919069
Free space on /tmp= 71720 MiB

SOLVER NAME= QuteRSat 2011-03-01
BENCH NAME= SAT11/random/medium/unif-k5-r21.3-v50-c1065-S433637520-048.UNKNOWN.cnf
COMMAND LINE= qutersat_release BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3188600-1302282933/watcher-3188600-1302282933 -o /tmp/evaluation-result-3188600-1302282933/solver-3188600-1302282933 -C 2400 -W 1300 -M 7680  qutersat_release HOME/instance-3188600-1302282933.cnf 1747334339

TIME LIMIT= 2400 seconds
MEMORY LIMIT= 7680 MiB
NBCORE= 2

MD5SUM BENCH= 63c27e328029fd4b3a3f3ab8a494055c
RANDOM SEED=1747334339

node103.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.858
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5333.71
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.858
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.858
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.858
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.77
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.858
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.858
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.858
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.83
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.858
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      19473316 kB
Buffers:        497032 kB
Cached:       12542928 kB
SwapCached:          0 kB
Active:        7923632 kB
Inactive:      5206912 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      19473316 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:            5100 kB
Writeback:           0 kB
AnonPages:       90492 kB
Mapped:          18576 kB
Slab:           283184 kB
PageTables:       5156 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   274456 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296008 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 71716 MiB
End job on node103 at 2011-04-08 19:15:37